N-{(1S,2R)-1-benzyl-2-hydroxy-3-[(1S)-1,2,3,4-tetrahydronaphthalen-1-ylamino]propyl}-3-(1,1-dioxido-1,2-thiazinan-2-yl)-5-(ethylamino)benzamide C44 CCNc1cc(cc(c1)[N@@]2CCCCS2(=O)=O)C(=O)N[C@@H](Cc3ccccc3)[C@@H](CN[C@H]4CCCc5c4cccc5)O